Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 918

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-918 A Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-918 0 Massey AL HNVIALUNXZY  073H TELNYX LLC 477   2022-12-08   
256-918 1 Massey AL DCTRALGU0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 477   2022-12-20   
256-918 2 Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-11-05   
256-918 3 Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2022-03-24   
256-918 8 Massey AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2023-06-24   
256-918 9 Massey AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2022-12-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.